Information on 19 women convicted of indecency and 62 women convicted of other sex offences was examined. Those convicted of indecency offences often had poor social skills and had a high incidence of mental illness, mental handicap and alcoholism. Two were convicted of indecent exposure, a rare offence in women. In 39 (63%) of the sex offences with individual victims, the victims were children and in 9 cases the offender was the mother or step-mother. In 25 cases the women were convicted of aiding and abetting a male offender. Of those convicted of indecent assault on persons under 16 and of gross indecency with children, 48% had a previous history of psychiatric disorder.